Base | Representation |
---|---|
bin | 10010110100000001… |
… | …010101111110001010 |
3 | 1221010210002102120002 |
4 | 102310001111332022 |
5 | 312332212321302 |
6 | 13140234403002 |
7 | 1313402121503 |
oct | 226401257612 |
9 | 57123072502 |
10 | 20200120202 |
11 | 8626494319 |
12 | 3ab8b90462 |
13 | 1b9bca4862 |
14 | d98ad9baa |
15 | 7d35eac02 |
hex | 4b4055f8a |
20200120202 has 8 divisors (see below), whose sum is σ = 30493175556. Its totient is φ = 10035728352.
The previous prime is 20200120169. The next prime is 20200120207. The reversal of 20200120202 is 20202100202.
It can be written as a sum of positive squares in 2 ways, for example, as 20195536321 + 4583881 = 142111^2 + 2141^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20200120207) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32165483 + ... + 32166110.
Almost surely, 220200120202 is an apocalyptic number.
20200120202 is a deficient number, since it is larger than the sum of its proper divisors (10293055354).
20200120202 is a wasteful number, since it uses less digits than its factorization.
20200120202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64331752.
The product of its (nonzero) digits is 32, while the sum is 11.
Adding to 20200120202 its reverse (20202100202), we get a palindrome (40402220404).
The spelling of 20200120202 in words is "twenty billion, two hundred million, one hundred twenty thousand, two hundred two".
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